#include <stdio.h>
#include <stdlib.h>

int main(int argc, char *argv[]) {
  // 九九乘法表
  for (int row = 1; row <= 9; row++) {
    for (int col = 1; col <= row; col++) {
      printf("%d × %d = %d\t", row, col, row * col);
    }
    printf("\n");
  }
  return EXIT_SUCCESS;
}
